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-rw-r--r--kernel/power/main.c34
1 files changed, 19 insertions, 15 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 47ca5a2b653b..e1c413120469 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -44,6 +44,11 @@ void pm_set_ops(struct pm_ops * ops)
mutex_unlock(&pm_mutex);
}
+static inline void pm_finish(suspend_state_t state)
+{
+ if (pm_ops->finish)
+ pm_ops->finish(state);
+}
/**
* suspend_prepare - Do prep work before entering low-power state.
@@ -64,10 +69,6 @@ static int suspend_prepare(suspend_state_t state)
pm_prepare_console();
- error = disable_nonboot_cpus();
- if (error)
- goto Enable_cpu;
-
if (freeze_processes()) {
error = -EAGAIN;
goto Thaw;
@@ -90,18 +91,22 @@ static int suspend_prepare(suspend_state_t state)
}
suspend_console();
- if ((error = device_suspend(PMSG_SUSPEND))) {
+ error = device_suspend(PMSG_SUSPEND);
+ if (error) {
printk(KERN_ERR "Some devices failed to suspend\n");
- goto Finish;
+ goto Resume_devices;
}
- return 0;
- Finish:
- if (pm_ops->finish)
- pm_ops->finish(state);
+ error = disable_nonboot_cpus();
+ if (!error)
+ return 0;
+
+ enable_nonboot_cpus();
+ Resume_devices:
+ pm_finish(state);
+ device_resume();
+ resume_console();
Thaw:
thaw_processes();
- Enable_cpu:
- enable_nonboot_cpus();
pm_restore_console();
return error;
}
@@ -136,12 +141,11 @@ int suspend_enter(suspend_state_t state)
static void suspend_finish(suspend_state_t state)
{
+ enable_nonboot_cpus();
+ pm_finish(state);
device_resume();
resume_console();
thaw_processes();
- enable_nonboot_cpus();
- if (pm_ops && pm_ops->finish)
- pm_ops->finish(state);
pm_restore_console();
}